area companies in the top 50 and facebook in first place followed by new coverer to the list riverbed technology, google 6th, chevron and linkedin at 13 and 14. east bay's workday ranks 19 with salesforce.com, agilent, intel and apple in the top 50. >>> 'tis the season for secret santas and a couple of very generous ones paid a visit to a bay area walmart. >> the man and the woman picked shoppers at random. as juliette goodrich shows us, they made some christmas wishes come through for some very thankful people. >> reporter: megan and her little sister maddie were christmas shopping with their parents at walmart when maddie spotted a toy sewing machine. >> they got to for me. she had the bag in her hands. i'm like, what are you talking about? >> reporter: the girls' parents were randomly handed a bag by a man and woman and inside -- >> we both looked in the bag and we just went, wow. how did they know that she wanted that toy? >> it's the sewing machine that she wanted. >> reporter: the couple didn't give their names but employees spotted them hugging one another after their generous deeds. joyc